1 files changed, 17 insertions, 19 deletions
diff --git a/guides/rails_guides/markdown.rb b/guides/rails_guides/markdown.rb
index 69c7cd5136..e6c9fea87e 100644
--- a/guides/rails_guides/markdown.rb
+++ b/guides/rails_guides/markdown.rb
@@ -1,6 +1,6 @@
-require 'redcarpet'
-require 'nokogiri'
-require 'rails_guides/markdown/renderer'
+require "redcarpet"
+require "nokogiri"
+require "rails_guides/markdown/renderer"
 
 module RailsGuides
   class Markdown
@@ -8,7 +8,7 @@ module RailsGuides
       @view = view
       @layout = layout
       @index_counter = Hash.new(0)
-      @raw_header = ''
+      @raw_header = ""
       @node_ids = {}
     end
 
@@ -47,21 +47,19 @@ module RailsGuides
       def dom_id_text(text)
         escaped_chars = Regexp.escape('\\/`*_{}[]()#+-.!:,;|&<>^~=\'"')
 
-        text.downcase.gsub(/\?/, '-questionmark')
-                     .gsub(/!/, '-bang')
-                     .gsub(/[#{escaped_chars}]+/, ' ').strip
-                     .gsub(/\s+/, '-')
+        text.downcase.gsub(/\?/, "-questionmark")
+                     .gsub(/!/, "-bang")
+                     .gsub(/[#{escaped_chars}]+/, " ").strip
+                     .gsub(/\s+/, "-")
       end
 
       def engine
-        @engine ||= Redcarpet::Markdown.new(Renderer, {
-          no_intra_emphasis: true,
+        @engine ||= Redcarpet::Markdown.new(Renderer,           no_intra_emphasis: true,
           fenced_code_blocks: true,
           autolink: true,
           strikethrough: true,
           superscript: true,
-          tables: true
-        })
+          tables: true)
       end
 
       def extract_raw_header_and_body
@@ -87,15 +85,15 @@ module RailsGuides
             doc.children.each do |node|
               if node.name =~ /^h[3-6]$/
                 case node.name
-                when 'h3'
+                when "h3"
                   hierarchy = [node]
                   @headings_for_index << [1, node, node.inner_html]
-                when 'h4'
+                when "h4"
                   hierarchy = hierarchy[0, 1] + [node]
                   @headings_for_index << [2, node, node.inner_html]
-                when 'h5'
+                when "h5"
                   hierarchy = hierarchy[0, 2] + [node]
-                when 'h6'
+                when "h6"
                   hierarchy = hierarchy[0, 3] + [node]
                 end
 
@@ -109,7 +107,7 @@ module RailsGuides
 
       def generate_index
         if @headings_for_index.present?
-          raw_index = ''
+          raw_index = ""
           @headings_for_index.each do |level, node, label|
             if level == 1
               raw_index += "1. [#{label}](##{node[:id]})\n"
@@ -119,7 +117,7 @@ module RailsGuides
           end
 
           @index = Nokogiri::HTML.fragment(engine.render(raw_index)).tap do |doc|
-            doc.at('ol')[:class] = 'chapters'
+            doc.at("ol")[:class] = "chapters"
           end.to_html
 
           @index = <<-INDEX.html_safe
@@ -159,7 +157,7 @@ module RailsGuides
         @view.content_for(:header_section) { @header }
         @view.content_for(:page_title) { @title }
         @view.content_for(:index_section) { @index }
-        @view.render(:layout => @layout, :text => @body)
+        @view.render(layout: @layout, text: @body)
       end
   end
 end